19615960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 57697920

約数和(自身を除く): 38081960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 317, 340, 364, 442, 455, 476, 520, 595, 634, 680, 728, 884, 910, 952, 1105, 1190, 1268, 1547, 1585, 1768, 1820, 2210, 2219, 2380, 2536, 3094, 3170, 3640, 4121, 4420, 4438, 4760, 5389, 6188, 6340, 7735, 8242, 8840, 8876, 10778, 11095, 12376, 12680, 15470, 16484, 17752, 20605, 21556, 22190, 26945, 28847, 30940, 32968, 37723, 41210, 43112, 44380, 53890, 57694, 61880, 70057, 75446, 82420, 88760, 107780, 115388, 140114, 144235, 150892, 164840, 188615, 215560, 230776, 280228, 288470, 301784, 350285, 377230, 490399, 560456, 576940, 700570, 754460, 980798, 1153880, 1401140, 1508920, 1961596, 2451995, 2802280, 3923192, 4903990, 9807980, 19615960]

約数ペア:

[(1, 19615960), (2, 9807980), (4, 4903990), (5, 3923192), (7, 2802280), (8, 2451995), (10, 1961596), (13, 1508920), (14, 1401140), (17, 1153880), (20, 980798), (26, 754460), (28, 700570), (34, 576940), (35, 560456), (40, 490399), (52, 377230), (56, 350285), (65, 301784), (68, 288470), (70, 280228), (85, 230776), (91, 215560), (104, 188615), (119, 164840), (130, 150892), (136, 144235), (140, 140114), (170, 115388), (182, 107780), (221, 88760), (238, 82420), (260, 75446), (280, 70057), (317, 61880), (340, 57694), (364, 53890), (442, 44380), (455, 43112), (476, 41210), (520, 37723), (595, 32968), (634, 30940), (680, 28847), (728, 26945), (884, 22190), (910, 21556), (952, 20605), (1105, 17752), (1190, 16484), (1268, 15470), (1547, 12680), (1585, 12376), (1768, 11095), (1820, 10778), (2210, 8876), (2219, 8840), (2380, 8242), (2536, 7735), (3094, 6340), (3170, 6188), (3640, 5389), (4121, 4760), (4420, 4438)]